title: [Study of external respiratory function in twins with different gas mixtures].
mesh_terms: D000293:Adolescent; D002245:Carbon Dioxide; D005260:Female; D006801:Humans; D008297:Male; D010100:Oxygen; D011247:Pregnancy; D012119:Respiration; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen
vernacular_title: Issledovanie funktsii vneshnego dykhaniia u bliznetsov v usloviiakh izmenennoĭ gazovoĭ sredy.